mirror of https://github.com/ppy/osu
126 lines
4.3 KiB
C#
126 lines
4.3 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using System;
|
|
using osu.Framework.Caching;
|
|
using osu.Framework.Graphics;
|
|
using osuTK;
|
|
|
|
namespace osu.Game.Skinning
|
|
{
|
|
/// <summary>
|
|
/// A drawable which can be skinned via an <see cref="ISkinSource"/>.
|
|
/// </summary>
|
|
public class SkinnableDrawable : SkinReloadableDrawable
|
|
{
|
|
/// <summary>
|
|
/// The displayed component.
|
|
/// </summary>
|
|
public Drawable Drawable { get; private set; }
|
|
|
|
public new Axes AutoSizeAxes
|
|
{
|
|
get => base.AutoSizeAxes;
|
|
set => base.AutoSizeAxes = value;
|
|
}
|
|
|
|
private readonly ISkinComponent component;
|
|
|
|
private readonly ConfineMode confineMode;
|
|
|
|
/// <summary>
|
|
/// Create a new skinnable drawable.
|
|
/// </summary>
|
|
/// <param name="component">The namespace-complete resource name for this skinnable element.</param>
|
|
/// <param name="defaultImplementation">A function to create the default skin implementation of this element.</param>
|
|
/// <param name="allowFallback">A conditional to decide whether to allow fallback to the default implementation if a skinned element is not present.</param>
|
|
/// <param name="confineMode">How (if at all) the <see cref="Drawable"/> should be resize to fit within our own bounds.</param>
|
|
public SkinnableDrawable(ISkinComponent component, Func<ISkinComponent, Drawable> defaultImplementation, Func<ISkinSource, bool> allowFallback = null, ConfineMode confineMode = ConfineMode.NoScaling)
|
|
: this(component, allowFallback, confineMode)
|
|
{
|
|
createDefault = defaultImplementation;
|
|
}
|
|
|
|
protected SkinnableDrawable(ISkinComponent component, Func<ISkinSource, bool> allowFallback = null, ConfineMode confineMode = ConfineMode.NoScaling)
|
|
: base(allowFallback)
|
|
{
|
|
this.component = component;
|
|
this.confineMode = confineMode;
|
|
|
|
RelativeSizeAxes = Axes.Both;
|
|
}
|
|
|
|
private readonly Func<ISkinComponent, Drawable> createDefault;
|
|
|
|
private readonly Cached scaling = new Cached();
|
|
|
|
private bool isDefault;
|
|
|
|
protected virtual Drawable CreateDefault(ISkinComponent component) => createDefault(component);
|
|
|
|
/// <summary>
|
|
/// Whether to apply size restrictions (specified via <see cref="confineMode"/>) to the default implementation.
|
|
/// </summary>
|
|
protected virtual bool ApplySizeRestrictionsToDefault => false;
|
|
|
|
protected override void SkinChanged(ISkinSource skin, bool allowFallback)
|
|
{
|
|
Drawable = skin.GetDrawableComponent(component);
|
|
|
|
isDefault = false;
|
|
|
|
if (Drawable == null && allowFallback)
|
|
{
|
|
Drawable = CreateDefault(component);
|
|
isDefault = true;
|
|
}
|
|
|
|
if (Drawable != null)
|
|
{
|
|
scaling.Invalidate();
|
|
Drawable.Origin = Anchor.Centre;
|
|
Drawable.Anchor = Anchor.Centre;
|
|
InternalChild = Drawable;
|
|
}
|
|
else
|
|
ClearInternal();
|
|
}
|
|
|
|
protected override void Update()
|
|
{
|
|
base.Update();
|
|
|
|
if (!scaling.IsValid)
|
|
{
|
|
try
|
|
{
|
|
if (Drawable == null || (isDefault && !ApplySizeRestrictionsToDefault)) return;
|
|
|
|
switch (confineMode)
|
|
{
|
|
case ConfineMode.ScaleToFit:
|
|
Drawable.RelativeSizeAxes = Axes.Both;
|
|
Drawable.Size = Vector2.One;
|
|
Drawable.Scale = Vector2.One;
|
|
Drawable.FillMode = FillMode.Fit;
|
|
break;
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
scaling.Validate();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public enum ConfineMode
|
|
{
|
|
/// <summary>
|
|
/// Don't apply any scaling. This allows the user element to be of any size, exceeding specified bounds.
|
|
/// </summary>
|
|
NoScaling,
|
|
ScaleToFit,
|
|
}
|
|
}
|